If the show ever does use reindeer, and they fly, wouldn't it make sense to have them be "pegasus" reindeer? In the MLP universe, creatures flying without wings doesn't make sense, despite all other popular depictions of Santa's reindeer being able to fly with magic and not wigns.

New MLP Christmas song parodies include:Here Comes Rainbow Dash (Here Comes Santa Claus)Let Her Dash! (Let It Snow!)Rockin' Around the Fluttershy (Rockin' Around the Christmas Tree)Wonderful Fluttershy (Wonderful Christmastime)She's Beginning To Show A Lot Of Magic (It's Beginning To Look a Lot Like Christmas)Twilight the Magical Pony (Rudolph the Red-nosed Reindeer)White Rarity (White Christmas)Rairty's Rock (Jingle Bell Rock)Home For Pinkie's Parties (Home For the Holidays)Sad Pinkie (Blue Christmas)Spike The Young Dragon (Frosty the Snowman)I'll Be Home For Ponies (I'll Be Home For Christmas)12 Days of Ponies (12 Days of Christmas)